4=(total players on the team) x 0.2
(total players on the team) = 4/0.2
(total players on the team) = 20
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20% is the same as 0.2.
2 is 20% of 10.
to find 10, divide 2 by 0.2
2/0.2=10
4 is 20% of something
to find 'something', divide 4 by 0.2
4/0.2=20